Controllable multi-focal terahertz metalens based on vanadium dioxide
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2025.2564288
Abstract: We designed a C-shaped ring metalens featuring dynamically switchable focal points, based on vanadium dioxide. The metalens is segmented into inner and outer rings, utilizing the phase change properties of vanadium dioxide to enable different… read more here.
Keywords: multi focal; vanadium dioxide; vanadium; based vanadium ... See more keywords
Alveolar Sarcoidosis With Intense FDG Uptake, Mimicking Multi-focal Pneumonia and Infiltrative Lung Malignancy.
Sign Up to like & getrecommendations! Published in 2019 at "Clinical Nuclear Medicine"
DOI: 10.1097/rlu.0000000000002637
Abstract: Alveolar sarcoidosis is an uncommon radiologic manifestation of pulmonary sarcoidosis which appears as infiltrative or mass-like opacities mimicking multifocal pneumonia or infiltrative lung malignancies such as multi-focal adenocarcinoma or pulmonary lymphoma. It has correlation with… read more here.
Keywords: sarcoidosis; infiltrative lung; pneumonia infiltrative; alveolar sarcoidosis ... See more keywords
Variation of stemness markers expression in tumor nodules from synchronous multi-focal hepatocellular carcinoma – an immunohistochemical study
Sign Up to like & getrecommendations! Published in 2017 at "Diagnostic Pathology"
DOI: 10.1186/s13000-017-0649-9
Abstract: BackgroundAdvancing knowledge in molecular pathogenesis of hepatocellular carcinoma (HCC) opens up new horizons in the diagnostic, prognostic and therapeutic perspectives. Assessing the expression of molecular targets prior to definitive treatment is gaining importance in clinical… read more here.
Keywords: tumor nodules; multi focal; expression; stemness markers ... See more keywords
Comprehensive molecular profiling of multi-focal prostate cancer and concomitant lymph node metastasis: Implications for tissue-based prognostic biomarkers.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Clinical Oncology"
DOI: 10.1200/jco.2017.35.15_suppl.5061
Abstract: 5061Background: Current tissue-based prognostic biomarker assays claim that assessment of a single biopsy focus is sufficient to predict disease behavior. We analyzed and compared the genetic profi... read more here.
Keywords: tissue based; multi focal; comprehensive molecular; profiling multi ... See more keywords
Computational imaging modalities for multi-focal whole-slide imaging systems.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.394290
Abstract: Whole-slide imaging systems can generate full-color image data of tissue slides efficiently, which are needed for digital pathology applications. This paper focuses on a scanner architecture that is based on a multi-line image sensor that… read more here.
Keywords: multi focal; imaging systems; slide imaging; focal whole ... See more keywords
Design and fabrication of multi-focal bio-inspired compound eyes with dual imaging planes.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.557281
Abstract: Curved microlens arrays are pivotal components of bio-inspired compound eyes due to their wide field of view and capability to track fast-moving objects. Despite their potential, fabricating curved microlens arrays remains a significant challenge. A… read more here.
Keywords: multi focal; bio inspired; inspired compound; compound eyes ... See more keywords
Design of a digitally switchable multifocal microlens array for integral imaging systems.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.439989
Abstract: This paper presents the optical design of a digitally switchable multi-focal microlens array which can be used to extend the depth of field in integral imaging systems. The proposed switchable multi-focal microlens array consists of… read more here.
Keywords: multi focal; design digitally; digitally switchable; microlens array ... See more keywords
Bio-inspired foveal super-resolution method for multi-focal-length images based on local gradient constraints.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.524154
Abstract: Most existing super-resolution (SR) imaging systems, inspired by the bionic compound eye, utilize image registration and reconstruction algorithms to overcome the angular resolution limitations of individual imaging systems. This article introduces a multi-aperture multi-focal-length imaging… read more here.
Keywords: multi focal; image; resolution; super resolution ... See more keywords
Multi-focal laser processing in transparent materials using an ultrafast tunable acoustic lens.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.447854
Abstract: Fast and versatile alteration of focal positions is critical for applications including selective volumetric modification and parallel laser processing. In this Letter, we implement and characterize an ultrafast, variable focal system using a tunable acoustic… read more here.
Keywords: laser; tunable acoustic; multi focal; laser processing ... See more keywords
Robotic-assisted and electromagnetic navigation bronchoscopy for multi-focal lung cancers: a narrative review
Sign Up to like & getrecommendations! Published in 2025 at "Translational Lung Cancer Research"
DOI: 10.21037/tlcr-2025-943
Abstract: Background and Objective The incidence of multi-focal lung cancers (MFLCs) has increased with the widespread use of low-dose computed tomography, posing significant diagnostic and therapeutic challenges, particularly in differentiating multiple primary lung cancers from intrapulmonary… read more here.
Keywords: navigation; multi focal; lung; focal lung ... See more keywords
The Role of Local Therapy in Multi-focal Epithelioid Haemangioendothelioma
Sign Up to like & getrecommendations! Published in 2019 at "AntiCancer Research"
DOI: 10.21873/anticanres.13675
Abstract: Background/Aim: Epithelioid haemangioendothelioma (EHE) is a rare tumor with a wide spectrum of clinical behavior. There is no consensus on the role of local therapy in symptomatic, multi-focal disease. Patients and Methods: A retrospective review… read more here.
Keywords: multi focal; role local; epithelioid haemangioendothelioma; local therapy ... See more keywords